Happy to share with you some market data on these cities!

If you have the resources to buy a 150 unit apartment complex then again getting that done is a year is achievable.

Additionally, using a land trust with an LLC could offer protection without the complexity of multiple LLCs.

If you have tax planning and complex items within the return, I could see it getting there but it seems a little bit high.

For your "BRRRR in Bulk" approach, you might want to explore lenders that specialize in portfolio or DSCR (Debt Service Coverage Ratio) loans, as they are often more flexible with complex financing structures like seller 2nd notes.

depending on what you are looking to do, there is a Market Finder tool within BP as well under the "Pick Markets" tab which has some data that may help 

I’ve been looking at data on rental properties in Destin and Panama City Beach, and certain amenities seem to drive higher booking rates.

Try to find some industry commercial deal Analysis data but most of them are for muti family .

They gather data straight off Airbnb, VRBO, and a few other major STR rental companies that sell their data.

Although I have not yet purchased my first tax deed property, I have been spending a considerable amount of time researching the tax deed sale process and the tools that can be used to streamline the process as much as possible- one of those tools being PropertyOnion.com.The website seems to provide a wealth of knowledge for pretty much any property you'd like to research, and provides data that could be useful to a variety of RE investors.